Perturbed ephemeris below is based on elements from MPEC 2025-W75. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459440.50000 2459451.8056890 8.11482 335.17437 10.68839 e q a Epoch (TT) 0.3943167 2.1680222 3.57946 2021/08/14.00
m1 = 4.0 + 5 logΔ + 35.0 log r(t - 15)